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<TITLE>JavaScript Source Code 3000:  Clocks:  ISO Clock</TITLE>
<META HTTP-EQUIV="JavaScript Source Code 3000" CONTENT = "no-cache">
<META NAME="date" CONTENT="2000-09-09">
<META NAME="channel" CONTENT="Web Developer">
<META NAME="author" CONTENT="John Walker (john@321webliftoff.net)">
<META NAME="section" CONTENT="Clocks">
<META NAME="description" CONTENT="Displays the date and time in accordance with the ISO 8601 standard.">
<META NAME="date" CONTENT="2000-09-26">
<META NAME="channel" CONTENT="Web Developer">
<META NAME="author" CONTENT="John Walker">
<META NAME="section" CONTENT="Clocks">

<SCRIPT LANGUAGE="JavaScript">
<!-- Original:  John Walker (john@321webliftoff.net) -->
<!-- Web Site:  http://321webliftoff.net -->




<!-- Begin
function isodatetime() {
var today = new Date();
var year  = today.getYear();
if (year < 2000)    // Y2K Fix, Isaac Powell
year = year + 1900; // http://onyx.idbsu.edu/~ipowell
var month = today.getMonth() + 1;
var day  = today.getDate();
var hour = today.getHours();
var hourUTC = today.getUTCHours();
var diff = hour - hourUTC;
var hourdifference = Math.abs(diff);
var minute = today.getMinutes();
var minuteUTC = today.getUTCMinutes();
var minutedifference;
var second = today.getSeconds();
var timezone;
if (minute != minuteUTC && minuteUTC < 30 && diff < 0) { hourdifference--; }
if (minute != minuteUTC && minuteUTC > 30 && diff > 0) { hourdifference--; }
if (minute != minuteUTC) {
minutedifference = ":30";
}
else {
minutedifference = ":00";
}
if (hourdifference < 10) { 
timezone = "0" + hourdifference + minutedifference;
}
else {
timezone = "" + hourdifference + minutedifference;
}
if (diff < 0) {
timezone = "-" + timezone;
}
else {
timezone = "+" + timezone;
}
if (month <= 9) month = "0" + month;
if (day <= 9) day = "0" + day;
if (hour <= 9) hour = "0" + hour;
if (minute <= 9) minute = "0" + minute;
if (second <= 9) second = "0" + second;
time = year + "-" + month + "-" + day + "T"
+ hour + ":" + minute + ":" + second + timezone;
document.isoclock.display.value = time;
window.setTimeout("isodatetime();", 500);
}
//  End -->
</script>
</HEAD>

<BODY BGCOLOR=#ffffff vlink=#0000ff OnLoad="isodatetime()">

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<A HREF="../index.htm" /" TARGET="_top"><FONT COLOR="#0000FF"><b>Home</b></font></A>
<img src="../img/arrow.gif" /img/arrow.gif" height=13 width=7 border=0 alt="}">
<A HREF="index.htm" /clocks/"><font color="#FF0000"><b>Clocks</b></font></A>
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<FONT COLOR="#006666"><b>ISO Clock</b></font></font>
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<BR>
<table BORDER=0 WIDTH=486 CELLPADDING=3 CELLSPACING=0>
<tr><td><font FACE="helvetica,arial,geneva">
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<!-- Description --><!--content_start-->
Displays the date and time in accordance with the ISO 8601 standard.
<hr>
</td></tr>
</table>
<!-- Demonstration -->
<center>
<form name=isoclock>
<input type=text name=display size=30 style="border:0;">
</form>
</center>
<P>
<P>
<a name="source">
<table BORDER=0 WIDTH=486 CELLPADDING=3 CELLSPACING=0>
<tr><td BGCOLOR=yellow><font FACE="helvetica,arial,geneva"><b>JavaScript Source Code 3000:  Clocks:  ISO Clock</b>
<p>Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Apple-s).  The script is yours!!!
<br><br></font></td></tr>
<tr><td BGCOLOR=yellow ALIGN=CENTER>
<form NAME="copy">

<DIV align="center">
<input type=button value="Highlight All" onClick="javascript:this.form.txt.focus();this.form.txt.select();">&nbsp;&nbsp;&nbsp;&nbsp;
<INPUT TYPE="text" NAME="total" VALUE="Script Size:  2.17 KB" size=24>
</DIV>

<textarea NAME="txt" ROWS=20 COLS=75 WRAP=VIRTUAL>

&lt;!-- THREE STEPS TO INSTALL ISO CLOCK:

  1.  Copy the coding into the HEAD of your HTML document
  2.  Add the onLoad event handler into the BODY tag
  3.  Put the last coding into the BODY of your HTML document  --&gt;

&lt;!-- STEP ONE: Paste this code into the HEAD of your HTML document  --&gt;

&lt;HEAD&gt;

&lt;SCRIPT LANGUAGE="JavaScript"&gt;
&lt;!-- Original:  John Walker (john@321webliftoff.net) --&gt;
&lt;!-- Web Site:  http://321webliftoff.net --&gt;

&lt;! &gt;
&lt;! &gt;

&lt;!-- Begin
function isodatetime() {
var today = new Date();
var year  = today.getYear();
if (year < 2000)    // Y2K Fix, Isaac Powell
year = year + 1900; // http://onyx.idbsu.edu/~ipowell
var month = today.getMonth() + 1;
var day  = today.getDate();
var hour = today.getHours();
var hourUTC = today.getUTCHours();
var diff = hour - hourUTC;
var hourdifference = Math.abs(diff);
var minute = today.getMinutes();
var minuteUTC = today.getUTCMinutes();
var minutedifference;
var second = today.getSeconds();
var timezone;
if (minute != minuteUTC && minuteUTC &lt; 30 && diff &lt; 0) { hourdifference--; }
if (minute != minuteUTC && minuteUTC &gt; 30 && diff &gt; 0) { hourdifference--; }
if (minute != minuteUTC) {
minutedifference = ":30";
}
else {
minutedifference = ":00";
}
if (hourdifference &lt; 10) { 
timezone = "0" + hourdifference + minutedifference;
}
else {
timezone = "" + hourdifference + minutedifference;
}
if (diff &lt; 0) {
timezone = "-" + timezone;
}
else {
timezone = "+" + timezone;
}
if (month &lt;= 9) month = "0" + month;
if (day &lt;= 9) day = "0" + day;
if (hour &lt;= 9) hour = "0" + hour;
if (minute &lt;= 9) minute = "0" + minute;
if (second &lt;= 9) second = "0" + second;
time = year + "-" + month + "-" + day + "T"
+ hour + ":" + minute + ":" + second + timezone;
document.isoclock.display.value = time;
window.setTimeout("isodatetime();", 500);
}
//  End --&gt;
&lt;/script&gt;
&lt;/HEAD&gt;

&lt;!-- STEP TWO: Insert the onLoad event handler into your BODY tag  --&gt;

&lt;BODY OnLoad="isodatetime()"&gt;

&lt;!-- STEP THREE: Copy this code into the BODY of your HTML document  --&gt;

&lt;center&gt;
&lt;form name=isoclock&gt;
&lt;input type=text name=display size=30 style="border:0;"&gt;
&lt;/form&gt;
&lt;/center&gt;

 

&lt;!-- Script Size:  2.17 KB --&gt;</textarea><br><font FACE="helvetica,arial,geneva"></font></td></tr>

</table>
</form>
</FONT>
</CENTER>


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